Storage box



FIG. 1 is a perspective view of a storage box showing my new design;

FIG. 2 is a rear elevation thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevational thereof; and

FIG. 6 is a bottom plan view thereof.

The ornamental design for a storage box, as shown. 